Networking Requirements
A company has multiple services including the IPTV, VoIP, and Internet access services. Each
service uses a unique IP address. Packets of the same service must be transmitted in the same
VLAN and packets of different services must be transmitted in different VLANs.
On the network shown in Figure 3-12, a switch receives Internet, IPTV, and voice services from
users of which IP addresses are diverse. Packets of different services need to be transmitted in
different VLANs and packets of each service need to be sent to a specified remote server.
Figure 3-12 Network diagram of IP subnet-based VLAN assignment
Internet
IPTV
server
Voice
Network
192.168.1.2
192.168.2.2
192.168.3.2
GE1/0/1
GE1/0/3
GE1/0/2
Switch
RouterA
GE1/0/4
RouterB
RouterC
Configuration Roadmap
The configuration roadmap is as follows:
1. Create VLANs and determine mappings between services and VLANs.
2. Associate IP subnets with VLANs.
The switch determines the VLAN mapped to a frame based on the source IP address carried
in the frame. New nodes can be deployed on the network without too much configuration.
The switch is able to add each new node to a corresponding VLAN based on the network
address of the node.
3. Configure a port to allow frames with specified VLAN IDs to pass through.
4. Configure the highest priority for IP subnet-based VLAN assignment.
5. Enable IP subnet-based VLAN assignment.
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 3 VLAN Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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